100% Saturation of Grey Water Management in Pappankuzhi Village, Tamil Nadu

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100% Saturation of Grey Water Management in Pappankuzhi Village Tamil Nadu
100% Saturation of Grey Water Management in Pappankuzhi Village Tamil Nadu
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100% Saturation of Grey Water Management in Pappankuzhi Village, Tamil Nadu

By PIB Delhi

Success Story

Grey water, owing to the concerted efforts of community members and government officials, a grey water management system has been successfully implemented in Pappankuzhi Village Panchayat in the Kanchipuram district of Tamil Nadu. The system, which includes individual household soak pits and community soak pits with either horizontal or vertical type filters, effectively treats about 42,000 liters of grey water that is generated per day in the village. The initiative is a part of the Swachh Bharat Mission Grameen (SBM-G) Phase II campaign, of which grey water management is an integral component.

Community leadership: It was Swachhagrahi, Ms. A. Sarla Devi who played a crucial role in the campaign, awareness about the importance of solid and liquid waste management, highlighting the need for grey water management in the village. People were made aware of what grey water constituted and the hazards of improper management of grey water. Thereafter, the President of the village, Mr. Ganesan, and the Panchayat Secretary played a vital role in advocating the need for grey water management and allocated the necessary funds to establish a system in Pappankuzhi in November 2021. While the Panchayat took care of the operation and maintenance of the system, the community was encouraged to follow certain precautions to ensure better management. This included ensuring that waste was not dumped into the drainage channel; desilting was carried out to prevent stagnation of grey water and cleaning of the stormwater drain on a regular basis.

Background of the village: Situated in the Sriperumbudur block of Kanchipuram district Pappankuzhi is made up of two habitations namely, Pappankuzhi village and Pappankuzhi colony with a total population of 1016 from 474 households. There are two overhead tanks in the village with a capacity of 30,000 liters each. Every day, about 60,000 liters of water is consumed by the households of which 70 percent becomes grey water which amounts to about 42,000 liters per day. 

Earlier, in the absence of such a system, it was common to see grey water being discharged. The roads lead to households, pollution and stagnant water, the latter a breeding ground for mosquitoes, microbes, and parasites that led to diseases such as Dengue, Malaria, and Cholera. To make matters worse, there was open dumping and discharge into water bodies which contaminated both the surface and groundwater in areas with a high water table. The community was also unaware that treated grey water could be used to provide relief from acute water stress.

What is Greywater: Greywater is the category of waste water that is not contaminated with fecal matter or urine. This includes used water from bathing, washing dishes, laundry, etc.   

. Soak pit models adopted for effective GWM: Individual household soak pits which are suitable for managing grey water at the individual household level were constructed in 93 households at a cost of Rs. 9300 each. Further, 2 community soak pits with horizontal type filters were constructed at disposal points of drainage systems at a cost of Rs. 1,33,000 each. Such soak pits are suitable for clusters with high groundwater tables and the treated water can be used for agriculture purposes. Additionally, one community soak pit with a vertical type filter which is suitable for clusters with low water tables was constructed at a disposal point of the drainage system at a cost of Rs.127,000.

grey water

Individual household soak pits are simple to construct with locally available materials. Under this system, grey water can be treated as the source, preventing the flow of grey water onto the village paths, open land, or stagnating in low-lying areas. In Pappankuzhi village, 93 households could not be connected to the drainage channel and hence were provided with individual household soak pits to manage grey water.

Components of an individual household soak pit include a collection pipe or platform where grey water generated in households is collected; an inspection chamber where solid and other floating material suspended in the grey water gets filtered; and the soak pit that consists of a concrete tub that is placed within where suspended particles settle, allowing grey water to overflow into the filter media where it gets filtered and safely percolates into the ground.

Community Soak Pits with horizontal and vertical type filters: Both the Horizontal and Vertical type filter soak pits are efficient for the treatment of grey water generated from households that have space constraints. They are usually constructed at the discharge points of the drainage systems.

Drainage systems have been built in Pappankuzhi Village up to the grey water disposal point. Given that horizontal-type soak, pits are suitable for places with high water tables where the treated water can be recovered and reused for agricultural activities; two such soak pits were constructed in Pappankuzhi village.

On the other hand, vertical type soak pits require less land area when compared to horizontal type soak pits and can be constructed in areas with low water tables, where the treated water will help replenish the groundwater table. Pappankuzhi has one vertical soak pit that was constructed near Sivan Koil Street at a cost of Rs. 1,27,000.

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About Post Author

Suman Munshi

Founder Editor of IBG NEWS (15/Mar/2012- 09/Aug/2018). Recipient of Udar Akash Rokeya Shakhawat Hossain Award 2018. National Geographic & Canon Wild Clicks 2011 jury and public poll winner. Studied Post Graduate Advance Dip in Computer Sc., MBA IT,LIMS (USA & Australia), GxP(USA & UK),BA (Sociology) Dip in Journalism (Ireland), Diploma in Vedic Astrology, Numerology, Palmistry, Vastu Shastra & Feng Sui 25 years in the digital & IT industry with Global MNCs' worked & traveled in USA, UK, Europe, Singapore, Australia, Bangladesh & many other countries. Education and Training advance management and R&D Technology from India, USA, UK, Australia. Over 30 Certification from Global leaders in R&D and Education. Computer Science Teacher, IT & LIMS expert with a wide fan following in his community. General Secretary West Bengal State Committee of All Indian Reporter’s Association
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